CVE-2018-5744

Published: 21 February 2019

A failure to free memory can occur when processing messages having a specific combination of EDNS options. Versions affected are: BIND 9.10.7 -> 9.10.8-P1, 9.11.3 -> 9.11.5-P1, 9.12.0 -> 9.12.3-P1, and versions 9.10.7-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected.

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
bind9 Launchpad, Ubuntu, Debian	upstream	Needs triage
	trusty	Not vulnerable (code not present)
	xenial	Not vulnerable (code not present)
	bionic	Released (1:9.11.3+dfsg-1ubuntu1.5)
	cosmic	Released (1:9.11.4+dfsg-3ubuntu5.1)

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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